Royal Navy Hydrographic, Meteorological, Oceanographic qualification badge for the rank of Basic Rate.
This white Royal Navy badge features a machine embroidered blue on white badge. A blue vertical missile, horizontal torpedo superimposed on crossed lightening flashes. The letters HM stand below the device.
This badge is typically worn on the right-hand sleeve of a Royal Navy No.4 Dress. Specialist badges are worn on the sleeves with insignia representing each branch or specialisation.